1GVX

Endothiapepsin complexed with H256

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3ER5	PDB ENTRY 3ER5

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.5		PH 4.50

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.881	α = 90
b = 75.446	β = 97.47
c = 43.226	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	130	CCD	ADSC CCD		2001-04-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2		ESRF	ID14-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1	10	96.9	0.079	12.7	6.9		136765

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1	1.05	94.3		0.163	3.6	6.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3ER5	1	10	137930	7280	96.9	0.139	0.14		0.166	RANDOM

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]

RMS Deviations
Key	Refinement Restraint Deviation
s_non_zero_chiral_vol	0.126
s_approx_iso_adps	0.087
s_zero_chiral_vol	0.084
s_angle_d	0.048
s_similar_adp_cmpnt	0.039
s_anti_bump_dis_restr	0.029
s_bond_d	0.026
s_rigid_bond_adp_cmpnt	0.006
s_similar_dist
s_from_restr_planes

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2453
Nucleic Acid Atoms
Solvent Atoms	399
Heterogen Atoms	10

Software

Software
Software Name	Purpose
SHELXL-97	refinement
MOSFLM	data reduction
SCALA	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.